Doctor insights on:
What Is The Weakest Prescription For Eyeglasses
Worst of the worst: A strong glasses prescription implied very severe refractive error. This is usually due to the eye either being too long, too short, or too irregular in shape. This leads to nearsightedness, farsightedness, and astigmatism. Generally the nearsighted prescriptions are highest due to extreme eye length, -30.00 is the worst I have seen. An aphakic person also who is also hyperopic could be +30.00. ...Read more
Headache and: Eyes will get very tired.Get a more detailed answer ›
Nothing bad: The eye cannot be damaged if you wear a prescription that is not correct. It will certainly cause strain and possible headaches, but as long as you are an adult, the worst case will be discomfort. The one exception is that children (especially those under age 7) who are not using the correct prescription may develop permanent vision loss. ...Read more
No effect on sight: If you think of your eye as a camera, having a properly focused lens gives clearest picture possible, but the lens itself does not change the camera. The need for glasses comes from the eye not having the right shape or length. Glasses compensate for the physical abnormalities of the eye, but do not change the eye. So, using glasses does not help or worsen the natural sight. ...Read more
Where can I buy new eyeglasses without a prescription by using my current lenses for them to copy?
Eyeglasses: If you want use your current lenses and want to chage just the frame, you may be able to get it done any of the local eyeglasses center. But it hard to find a suitable frame for old lenses. ...Read more
Please help docs! Where can I buy new eyeglasses without a prescription by giving my current lenses for them to copy?
Optical shops: Some optical shops will do this with the advice that they take no responsibility for the quality of vision and will not correct problems. In many States, laws forbid this practi ce. You might have to hunt around and of course you could probably get this done with no issue in many foreign countries. ...Read more
My new eyeglasses prescriptions are giving me a headache. Only a 0.5 change from old prescription. It has been 3 weeks since wearing new prescp.?
Check with optician: First check with the optician who made the glasses to see if the prescription was followed correctly. Optical centration is important that can also be checked by the optician. If these are fine, then return to the prescribing ophthalmologist with the glasses in hand to see what the problem is. ...Read more
Chronic migraine started 3 months ago non stop, around the same time I also got my new prescription eyeglasses. No medication works. Is it glasses?
Migraine/ glasses: Possible, it could be would go back to the prescriber of the glasses and discuss the issue. But may be that the problem causing the vision issue is causing the headaches as well. Check for eye pressure, also go to doctor neurologist to check for any brain issues causing headache (pituitary adenoma), chronic sinusitis (usually no eye issues) or infection like lyme, chikunga, West Nile, ...Read more
Not correct: Eyeglasses and contacts lens prescriptions are not the same. There is a power difference since the glasses are farther from the cornea surface compared to contact lens. Thus you need a different prescription, plus contact lens requires a base curve and diameter in addition to the power. ...Read more
Depends: Over the counter reading glasses assume both eyes are the same without astigmatic error. This is rarely the case. Frames are also designed for the "average" face and cannot be custom fit to your interpupillary distance. That being sain, there is no harm in trying a pair to see if they work for you. ...Read more
Eyeglass store: An eyeglass store usually has a machine that can measure the refraction of your current pair of glasses. To change the prescription, you would need an eye exam by an optometrist or ophthalmologist. Also you would probably need a prescription to make completely new glasses, unless they're replacing broken ones. ...Read more
With or without: It depends if you are corrected without any other eye issues then you probably can see 20/20. You cannot see snellen chart without correction therefore there is no measure for it. You probably can see near card at 4-6inches without correction. ...Read more
Is it possible to purchase myopic far sighted eyeglasses at the drugstore without a prescription?
No: Myopic person is near sighted that means the person can see near but not distance. In order to see distance you need prescription glasses. The store glasses are for reading near they are magnifier or plus lenses. It may work for a far sighted person who can see far better than near. The far sighted person needs magnifier plus lens to see far or near. ...Read more
I got my eyes graded and my prescription eyeglasses back on 2009 and it is now 2013. Should I go get new ones?
Yes: You should get your eyes examined at least every two years. ...Read more
Is it normal to experience a weird, vertigo feeling after receiving a newer prescription for eyeglasses with astigmatism?
The latest crizal eyeglass coating with sph26 will be added to my prescription eyeglasses. Can someone tell me if this gives extra sun protection?
They say so: "yes! All crizal lenses offer the most complete daily protection against the invisible and often irreversible dangers of uv reflection." from their website....http://www. Crizalusa. Com/about-crizal/faq/pages/default. Aspx. ...Read more
Not appropriate: If you needed such a note to get reading glasses you can pick out by yourself at a kiosk, it would be fine. Having them covered by your HSA can be a hassle. Beyond that it would not be appropriate. Your doc would not have the proper equipment to properly assess your eyes for glasses. The state medical boards expect docs to practice within the areas they train and discipline those who don't ...Read more
Optometry/optician #: Premium Digital Opto Extreme PAL, as a prescription lens that was purchased for eyeglasses, stands for what manufacturers name?
This is just: The name of the type of lens that was prescribed. It has no manufacturer name mentioned. ...Read more
I'm wearing 3 yr. Old prescription eyeglasses. I'm having dizziness, migraines, & lightheadedness almost everyday. Do I need new eyeglasses?
I've had a new prescription for eyeglasses for 5 days and have an annoying headache behind the weaker eye. Is this common and when will I adjust?
I have had minor headaches for the past few months. I need a new prescription for eyeglasses but just haven't done that yet. Well I thought that could be the problem but then I have fluid coming out of my ears. Both of them. It's clear and it's not wax
Get examined: You need to be examined to find the cause of the fluid drainage from the ears. ...Read more
How do doctors know what prescription is needed for baby eyeglasses, if babies can't read an eye chart?
Refraction: Refraction is the measurement of how much the eye bends light. Refraction can be performed subjecively - the doctor shows the patient an image through progressively stronger lenses until the patient sees clearly - or objectively, by measuring how reflected light from the eye is bent and using lenses to "straighten" the bend without the patient giving his/her input. This method is used for children. ...Read more
No prescription: Plain glass lenses can be worn for those who like how they look in glasses. If you are blurred when you read or look at distances, even a mild prescription may help you. Usually, people can avoid wearing glasses if they have prescriptions of up to 0.5 diopters; some individuals may feel more visually comfortable with even this low of a glasses prescription. ...Read more
Not enough info: In order to fit contact lenses to your eyes, you need the corneal curvature in addition to the glasses power. Also a discussion of your vision goals, such as any need to see well at near and distance versus distance only, is used to determine the initial contact lens parameters. Your eye care provider will make these measurements. ...Read more
Pharmacy: I assume that you have good distance vision and need glasses for reading and near work. Most pharmacies, and other retail outlets have racks of glasses that you can try before buying until you get the proper magnification for reading. These are inexpensive. Dollar stores have them for 1$ but they are a bit rickety. If you know your power need you can order them off the internet. ...Read more
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